7 Northumberland Street London WC2N 5DA
Partial demolition and rebuilding of the front and rear facades, demolition and rebuilding of the third floor level, erection of a part single, part two storey upward extension, rear extensions at ground and first floor level and part rear extensions from second to fifth floors to provide additional office ( E(g)) floorspace, plant with enclosure at roof level, roof terrace at 5th floor level, new lift core, internal alterations and new street elevation lightwell.